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BS 9612 N020:1979 Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 50 to 125 MHz frequency range. Fifth overtone thickness-shear mode, AT-cut, for operation over wide temperature ranges (non-temperature controlled). Full assessment...
BS 9612 N019:1979 Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 17 to 75 MHz frequency range. Third overtone thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled). Full assessment level...
BS 9612 N018:1979 Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 17 to 75 MHz frequency range. Third overtone thickness-shear mode, AT-cut, for operation over wide temperature ranges (non-temperature controlled). Full assessment...
BS 9612 N017:1979 Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 0.8 to 20 MHz and 3.0 to 30 MHz frequency ranges. Fundamental thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled). Full...
BS 9612 N016:1979 Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 0.8 to 20 MHz and 3.0 to 30 MHz frequency ranges. Fundamental thickness-shear mode, AT-cut, for operation over wide temperature ranges (non-temperature controlled). Full...
BS 9612 N010:1979 Detail specification for cold welded seal quartz crystal units for oscillator applications. DK enclosure, 6.0 to 25 MHz frequency range. Fundamental thickness-shear mode, AT-cut, for operation over wide temperature ranges (non-temperature controlled). Full assessment level standard by...
BS 9612 N021:1979 Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 50 to 125 MHz frequency range. Fifth overtone thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled). Full assessment level...
BS 5598-4:1979 Methods of sampling and test for halogenated hydrocarbons. Determination of acidity, titrimetric method standard by BSI Group, 03/30/1979
BS 5685-1:1979 Electricity meters. Specification for Class 0.5, 1 and 2 single-phase and polyphase, single rate and multi-rate watt-hour meters standard by BSI Group, 03/30/1979
BS 5131-1.6:1979 Methods of test for footwear and footwear materials. Adhesives. Recommended environmental storage conditions for adhesive joints prior to heat resistance or peeling tests standard by BSI Group, 03/30/1979
BS PD 6484:1979 Commentary on corrosion at bimetallic contacts and its alleviation standard by BSI Group, 03/30/1979
BS 5724-1:1979 Medical electrical equipment. Specification for general safety requirements standard by BSI Group, 03/30/1979